returnable       
adjective uk/rɪˈtɜː.nə.bəl/ us/rɪˈtɝː.nə.bəl/
 可放回的;可归还的
that can or must be sent, taken, given, or put back to where it came from
  a returnable bottle 可回收的瓶子 
 The deposit is returnable. 押金是可以退还的。 
 See: return
 - More examples
 - The jars are returnable.
 - There is a £100 returnable deposit on the student accommodation.
 - 70 per cent of the population did not consider convenience packaging superior to returnable containers.